IFBIF_DISCOVER
bridge_ifsetflag(val, IFBIF_DISCOVER);
bridge_ifclrflag(val, IFBIF_DISCOVER);
if ((bif->bif_flags & IFBIF_DISCOVER) == 0 &&
bif->bif_flags = IFBIF_LEARNING | IFBIF_DISCOVER;
if ((bif->bif_flags & IFBIF_DISCOVER) == 0 &&
p->p_bif_flags = IFBIF_LEARNING | IFBIF_DISCOVER;
ISSET(ifbr->ifbr_ifsflags, IFBIF_LEARNING|IFBIF_DISCOVER))
(IFBIF_PVLAN_PTAGS|IFBIF_LOCKED|IFBIF_LEARNING|IFBIF_DISCOVER|IFBIF_BLOCKNONIP)
if (!ISSET(bif_flags, IFBIF_DISCOVER) &&